diff --git a/doc.zih.tu-dresden.de/docs/data_lifecycle/permanent.md b/doc.zih.tu-dresden.de/docs/data_lifecycle/permanent.md
index ee387d2b27f16f6095222b1ed672df29235a8abb..962ec4bd1791151009b92ebfaf8c118b9c8f2ab8 100644
--- a/doc.zih.tu-dresden.de/docs/data_lifecycle/permanent.md
+++ b/doc.zih.tu-dresden.de/docs/data_lifecycle/permanent.md
@@ -48,7 +48,7 @@ These snapshots are taken (subject to changes):
 
 To restore a previous version of a file:
 
-1. Go to the parent directory of the file you want to restore
+1. Go to the parent directory of the file you want to restore.
 1. Run `cd .snapshot` (this subdirectory exists in every directory on the `/home` file system
   although it is not visible with `ls -a`).
 1. List the snapshots with `ls -l`.